diff --git a/winsup/testsuite/ChangeLog b/winsup/testsuite/ChangeLog
index 708200531..3bb84bb36 100644
--- a/winsup/testsuite/ChangeLog
+++ b/winsup/testsuite/ChangeLog
@@ -1,3 +1,29 @@
+2003-02-19  Vaclav Haisman  <V.Haisman@sh.cvut.cz>
+
+	* winsup.api/crlf.c: Fix C signed/unsigned compare warning.
+	* winsup.api/mmaptest01.c: Ditto.
+	* winsup.api/ltp/chmod01.c: Ditto.
+	* winsup.api/ltp/fork04.c: Ditto.
+	* winsup.api/ltp/lseek03.c: Ditto.
+	* winsup.api/ltp/lseek06.c: Ditto.
+	* winsup.api/ltp/lseek07.c: Ditto.
+	* winsup.api/ltp/lseek08.c: Ditto.
+	* winsup.api/ltp/mmap001.c: Ditto.
+	* winsup.api/ltp/mmap02.c: Ditto.
+	* winsup.api/ltp/mmap03.c: Ditto.
+	* winsup.api/ltp/mmap04.c: Ditto.
+	* winsup.api/ltp/mmap05.c: Ditto.
+	* winsup.api/ltp/mmap06.c: Ditto.
+	* winsup.api/ltp/mmap07.c: Ditto.
+	* winsup.api/ltp/mmap08.c: Ditto.
+	* winsup.api/ltp/pipe11.c: Ditto.
+	* winsup.api/ltp/poll01.c: Ditto.
+	* winsup.api/ltp/sync02.c: Ditto.   
+	* winsup.api/ltp/times03.c: Ditto.
+	* winsup.api/ltp/umask03.c: Ditto.
+	* winsup.api/ltp/getpgid01.c: Remove unused obsolete include.
+	* winsup.api/ltp/getpgid02.c: Ditto.
+
 2003-02-08  Christopher Faylor  <cgf@redhat.com>
 
 	* winsup.api/winsup.exp (ws_spawn): Tweak slightly to work with tcl
diff --git a/winsup/testsuite/winsup.api/crlf.c b/winsup/testsuite/winsup.api/crlf.c
index ccabb8f69..ea79122f0 100644
--- a/winsup/testsuite/winsup.api/crlf.c
+++ b/winsup/testsuite/winsup.api/crlf.c
@@ -156,7 +156,7 @@ int commands[] = {
 
 int errors = 0;
 
-#define num_commands (sizeof(commands)/sizeof(commands[0]))
+#define num_commands (int)(sizeof(commands)/sizeof(commands[0]))
 
 int pc;
 int askfor, get, expect, count, posn, whence, size;
diff --git a/winsup/testsuite/winsup.api/ltp/chmod01.c b/winsup/testsuite/winsup.api/ltp/chmod01.c
index 1ae8a1665..c20e6172e 100644
--- a/winsup/testsuite/winsup.api/ltp/chmod01.c
+++ b/winsup/testsuite/winsup.api/ltp/chmod01.c
@@ -96,7 +96,7 @@ main(int ac, char **av)
 	int lc;			/* loop counter */
 	const char *msg;	/* message returned from parse_opts */
 	int ind;		/* counter variable for chmod(2) tests */
-	int mode;		/* file mode permission */
+	unsigned mode;		/* file mode permission */
     
 	TST_TOTAL = sizeof(Modes) / sizeof(int);
 
diff --git a/winsup/testsuite/winsup.api/ltp/fork04.c b/winsup/testsuite/winsup.api/ltp/fork04.c
index 901d88ae8..84bac0579 100644
--- a/winsup/testsuite/winsup.api/ltp/fork04.c
+++ b/winsup/testsuite/winsup.api/ltp/fork04.c
@@ -129,7 +129,7 @@ extern int Tst_count;		/* Test Case counter for tst_* routines */
 
 /* list of environment variables to test */
 const char *environ_list[] = {"TERM","NoTSetzWq","TESTPROG"};
-#define NUMBER_OF_ENVIRON sizeof(environ_list)/sizeof(char *)
+#define NUMBER_OF_ENVIRON (int)(sizeof(environ_list)/sizeof(char *))
 int TST_TOTAL=NUMBER_OF_ENVIRON;		/* Total number of test cases. */
 
 /***************************************************************
diff --git a/winsup/testsuite/winsup.api/ltp/getpgid01.c b/winsup/testsuite/winsup.api/ltp/getpgid01.c
index 70fc854c2..88907f413 100644
--- a/winsup/testsuite/winsup.api/ltp/getpgid01.c
+++ b/winsup/testsuite/winsup.api/ltp/getpgid01.c
@@ -44,7 +44,6 @@
 
 #include <sys/types.h>
 #include <errno.h>
-#include <varargs.h>
 #include <sys/wait.h>
 #include <test.h>
 #include <usctest.h>
diff --git a/winsup/testsuite/winsup.api/ltp/getpgid02.c b/winsup/testsuite/winsup.api/ltp/getpgid02.c
index 1304a9946..f6eaec6f6 100644
--- a/winsup/testsuite/winsup.api/ltp/getpgid02.c
+++ b/winsup/testsuite/winsup.api/ltp/getpgid02.c
@@ -46,7 +46,6 @@
 
 #include <sys/types.h>
 #include <errno.h>
-#include <varargs.h>
 #include <sys/wait.h>
 #include <test.h>
 #include <usctest.h>
diff --git a/winsup/testsuite/winsup.api/ltp/lseek03.c b/winsup/testsuite/winsup.api/ltp/lseek03.c
index e1916da50..51c303d85 100644
--- a/winsup/testsuite/winsup.api/ltp/lseek03.c
+++ b/winsup/testsuite/winsup.api/ltp/lseek03.c
@@ -137,7 +137,7 @@ main(int ac, char **av)
     int lc;		/* loop counter */
     const char *msg;		/* message returned from parse_opts */
 
-    int ind;
+    unsigned ind;
     int whence;
 
     TST_TOTAL=sizeof(Whences)/sizeof(int);
diff --git a/winsup/testsuite/winsup.api/ltp/lseek06.c b/winsup/testsuite/winsup.api/ltp/lseek06.c
index 638d876d8..f62c3422c 100644
--- a/winsup/testsuite/winsup.api/ltp/lseek06.c
+++ b/winsup/testsuite/winsup.api/ltp/lseek06.c
@@ -201,7 +201,7 @@ setup()
 	}
 
 	/* Write data into temporary file */
-	if(write(fildes, write_buf, strlen(write_buf)) != strlen(write_buf)) {
+	if(write(fildes, write_buf, strlen(write_buf)) != (int)strlen(write_buf)) {
 		tst_brkm(TBROK, cleanup, "write(2) on %s Failed, errno=%d : %s",
 			 TEMP_FILE, errno, strerror(errno));
 	}
diff --git a/winsup/testsuite/winsup.api/ltp/lseek07.c b/winsup/testsuite/winsup.api/ltp/lseek07.c
index 47bdf1d6b..c5a27b5b3 100644
--- a/winsup/testsuite/winsup.api/ltp/lseek07.c
+++ b/winsup/testsuite/winsup.api/ltp/lseek07.c
@@ -149,7 +149,7 @@ main(int ac, char **av)
 			 * the current offset position.
 			 */
 			if (write(fildes, write_buf2, strlen(write_buf2)) !=
-				       strlen(write_buf2)) {
+				       (int)strlen(write_buf2)) {
 				tst_brkm(TFAIL, cleanup, "write() failed to "
 					 "write additional data, error = %d",
 					 errno);
@@ -244,7 +244,7 @@ setup()
 
 	/* Write data into temporary file */
 	if(write(fildes, write_buf1, strlen(write_buf1)) !=
-							strlen(write_buf1)) {
+						     (int)strlen(write_buf1)) {
 		tst_brkm(TBROK, cleanup, "write(2) on %s Failed, errno=%d : %s",
 			 TEMP_FILE, errno, strerror(errno));
 	}
diff --git a/winsup/testsuite/winsup.api/ltp/lseek08.c b/winsup/testsuite/winsup.api/ltp/lseek08.c
index ebef7c0bf..32fdcc0e4 100644
--- a/winsup/testsuite/winsup.api/ltp/lseek08.c
+++ b/winsup/testsuite/winsup.api/ltp/lseek08.c
@@ -84,7 +84,7 @@ const char *TCID="lseek03";		/* Test program identifier.    */
 int TST_TOTAL=1;		/* Total number of test cases. */
 extern int Tst_count;		/* Test Case counter for tst_* routines */
 int fildes;			/* file handle for temp file */
-size_t file_size;		/* size of the temporary file */
+ssize_t file_size;		/* size of the temporary file */
 
 void setup();			/* Main setup function of test */
 void cleanup(void) __attribute__((noreturn));			/* cleanup function for the test */
diff --git a/winsup/testsuite/winsup.api/ltp/mmap001.c b/winsup/testsuite/winsup.api/ltp/mmap001.c
index 40cca6f3e..6c47d49c1 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap001.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap001.c
@@ -90,7 +90,7 @@ int main(int argc, char * argv[])
   const char *msg;
   int i,lc;
   int fd;
-  unsigned int pages,memsize;
+  int pages,memsize;
 
   if ( (msg=parse_opts(argc, argv, options, help)) != (char *) NULL )
    tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
diff --git a/winsup/testsuite/winsup.api/ltp/mmap02.c b/winsup/testsuite/winsup.api/ltp/mmap02.c
index 96634ee4e..33a12738c 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap02.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap02.c
@@ -225,7 +225,7 @@ setup()
 	}
 
 	/* Write test buffer contents into temporary file */
-	if (write(fildes, tst_buff, sizeof(tst_buff)) < sizeof(tst_buff)) {
+	if (write(fildes, tst_buff, sizeof(tst_buff)) < (int)sizeof(tst_buff)) {
 		tst_brkm(TFAIL, NULL, "write() on %s Failed, errno=%d : %s",
 			 TEMPFILE, errno, strerror(errno));
 		free(tst_buff);
diff --git a/winsup/testsuite/winsup.api/ltp/mmap03.c b/winsup/testsuite/winsup.api/ltp/mmap03.c
index de873fcb0..9302d335d 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap03.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap03.c
@@ -225,7 +225,7 @@ setup()
 	}
 
 	/* Write test buffer contents into temporary file */
-	if (write(fildes, tst_buff, strlen(tst_buff)) < strlen(tst_buff)) {
+	if (write(fildes, tst_buff, strlen(tst_buff)) < (int)strlen(tst_buff)) {
 		tst_brkm(TFAIL, NULL, "write() on %s Failed, errno=%d : %s",
 			 TEMPFILE, errno, strerror(errno));
 		free(tst_buff);
diff --git a/winsup/testsuite/winsup.api/ltp/mmap04.c b/winsup/testsuite/winsup.api/ltp/mmap04.c
index b82904dec..64d3a8ebe 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap04.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap04.c
@@ -225,7 +225,7 @@ setup()
 	}
 
 	/* Write test buffer contents into temporary file */
-	if (write(fildes, tst_buff, strlen(tst_buff)) < strlen(tst_buff)) {
+	if (write(fildes, tst_buff, strlen(tst_buff)) < (int)strlen(tst_buff)) {
 		tst_brkm(TFAIL, NULL, "write() on %s Failed, errno=%d : %s",
 			 TEMPFILE, errno, strerror(errno));
 		free(tst_buff);
diff --git a/winsup/testsuite/winsup.api/ltp/mmap05.c b/winsup/testsuite/winsup.api/ltp/mmap05.c
index 3a7783df8..bcdfd0cd8 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap05.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap05.c
@@ -228,7 +228,8 @@ setup()
 	}
 
 	/* Write test buffer contents into temporary file */
-	if (write(fildes, tst_buff, strlen(tst_buff)) != strlen(tst_buff)) {
+	if (write(fildes, tst_buff, strlen(tst_buff))
+	    != (int)strlen(tst_buff)) {
 		tst_brkm(TFAIL, NULL, "write() on %s Failed, errno=%d : %s",
 			 TEMPFILE, errno, strerror(errno));
 		free(tst_buff);
diff --git a/winsup/testsuite/winsup.api/ltp/mmap06.c b/winsup/testsuite/winsup.api/ltp/mmap06.c
index 4c9c95880..ec113c077 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap06.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap06.c
@@ -197,7 +197,7 @@ setup()
 	}
 
 	/* Write test buffer contents into temporary file */
-	if (write(fildes, tst_buff, strlen(tst_buff)) < strlen(tst_buff)) {
+	if (write(fildes, tst_buff, strlen(tst_buff)) < (int)strlen(tst_buff)) {
 		tst_brkm(TFAIL, NULL,
 			 "write() on %s Failed, errno=%d : %s",
 			 TEMPFILE, errno, strerror(errno));
diff --git a/winsup/testsuite/winsup.api/ltp/mmap07.c b/winsup/testsuite/winsup.api/ltp/mmap07.c
index 5f26abf91..ab989f443 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap07.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap07.c
@@ -198,7 +198,7 @@ setup()
 	}
 
 	/* Write test buffer contents into temporary file */
-	if (write(fildes, tst_buff, strlen(tst_buff)) < strlen(tst_buff)) {
+	if (write(fildes, tst_buff, strlen(tst_buff)) < (int)strlen(tst_buff)) {
 		tst_brkm(TFAIL, NULL, "write() on %s Failed, errno=%d : %s",
 			 TEMPFILE, errno, strerror(errno));
 		free(tst_buff);
diff --git a/winsup/testsuite/winsup.api/ltp/mmap08.c b/winsup/testsuite/winsup.api/ltp/mmap08.c
index 8af8cb51b..543c5397b 100644
--- a/winsup/testsuite/winsup.api/ltp/mmap08.c
+++ b/winsup/testsuite/winsup.api/ltp/mmap08.c
@@ -191,7 +191,8 @@ setup()
 	}
 
 	/* Write test buffer contents into temporary file */
-	if (write(fildes, tst_buff, strlen(tst_buff)) != strlen(tst_buff)) {
+	if (write(fildes, tst_buff, strlen(tst_buff))
+	    != (int)strlen(tst_buff)) {
 		tst_brkm(TFAIL, NULL, "write() on %s Failed, errno=%d : %s",
 			 TEMPFILE, errno, strerror(errno));
 		free(tst_buff);
diff --git a/winsup/testsuite/winsup.api/ltp/pipe11.c b/winsup/testsuite/winsup.api/ltp/pipe11.c
index 338f90602..558e70a96 100644
--- a/winsup/testsuite/winsup.api/ltp/pipe11.c
+++ b/winsup/testsuite/winsup.api/ltp/pipe11.c
@@ -203,7 +203,7 @@ setup()
 	j = 0;
 	for (i = 0; i < szcharbuf; ) {
 		wrbuf[i++] = rawchars[j++];
-		if (j >= sizeof(rawchars)) {
+		if (j >= (int)sizeof(rawchars)) {
 			j = 0;
 		}
 	}
diff --git a/winsup/testsuite/winsup.api/ltp/poll01.c b/winsup/testsuite/winsup.api/ltp/poll01.c
index 5cb71057b..704b738a2 100644
--- a/winsup/testsuite/winsup.api/ltp/poll01.c
+++ b/winsup/testsuite/winsup.api/ltp/poll01.c
@@ -122,7 +122,7 @@ main(int ac, char **av)
 
 		/* write the message to the pipe */
 		if (write(fildes[1], write_buf, strlen(write_buf))
-						< strlen(write_buf)) {
+						< (int)strlen(write_buf)) {
 			tst_brkm(TBROK, cleanup, "write() failed on write "
 				 "to pipe, error:%d", errno);
 		}
@@ -166,7 +166,7 @@ main(int ac, char **av)
 
 			/* Read data from read end of pipe */
 			if (read(fildes[0], read_buf, sizeof(read_buf)) !=
-				     strlen(write_buf)) {
+				     (int)strlen(write_buf)) {
 				tst_brkm(TFAIL, NULL, "read() failed - "
 					 "error:%d", errno);
 				exit(1);
diff --git a/winsup/testsuite/winsup.api/ltp/sync02.c b/winsup/testsuite/winsup.api/ltp/sync02.c
index 2173fd788..5535e1add 100644
--- a/winsup/testsuite/winsup.api/ltp/sync02.c
+++ b/winsup/testsuite/winsup.api/ltp/sync02.c
@@ -199,7 +199,7 @@ setup()
 
 	/* Write the buffer data into file */
 	if (write(fildes, write_buffer, strlen(write_buffer)) != \
-				strlen(write_buffer)) {
+				(int)strlen(write_buffer)) {
 		tst_brkm(TBROK, cleanup,
 			 "write() failed to write buffer data to %s",
 			 TEMP_FILE);
diff --git a/winsup/testsuite/winsup.api/ltp/times03.c b/winsup/testsuite/winsup.api/ltp/times03.c
index 4e3fb56f8..453d311cc 100644
--- a/winsup/testsuite/winsup.api/ltp/times03.c
+++ b/winsup/testsuite/winsup.api/ltp/times03.c
@@ -88,7 +88,7 @@ main(int argc, char **argv)
 	 */
 	start_time = time(NULL);
 	for (;;) {
-		if (times(&buf1) == -1) {
+		if (times(&buf1) == (clock_t)-1) {
 			TEST_ERROR_LOG(errno);
 			tst_resm(TFAIL, "Call to times(2) "
 				 "failed, errno = %d", errno);
@@ -98,7 +98,7 @@ main(int argc, char **argv)
 			break;
 		}
 	}
-	if (times(&buf1) == -1) {
+	if (times(&buf1) == (clock_t)-1) {
 		TEST_ERROR_LOG(errno);
 		tst_resm(TFAIL, "Call to times(2) failed, "
 			 "errno = %d", errno);
@@ -145,7 +145,7 @@ main(int argc, char **argv)
 				 */
 				start_time = time(NULL);
 				for (;;) {
-					if (times(&buf2) == -1) {
+					if (times(&buf2) == (clock_t)-1) {
 						tst_resm(TFAIL,
 							"Call to times "
 							"failed, "
@@ -166,7 +166,7 @@ main(int argc, char **argv)
 				tst_resm(TFAIL, "Call to times(2) "
 						"failed in child");
 			}
-			if (times(&buf2) == -1) {	
+			if (times(&buf2) == (clock_t)-1) {	
 				TEST_ERROR_LOG(TEST_ERRNO);
 				tst_resm(TFAIL, "Call to times failed "
 						"errno = %d", errno);
diff --git a/winsup/testsuite/winsup.api/ltp/umask03.c b/winsup/testsuite/winsup.api/ltp/umask03.c
index fbe2d5caa..341da7507 100644
--- a/winsup/testsuite/winsup.api/ltp/umask03.c
+++ b/winsup/testsuite/winsup.api/ltp/umask03.c
@@ -67,7 +67,7 @@ main(int argc, char **argv)
 	const char *msg;
 	
 	struct stat statbuf;
-	int mskval = 0000;
+	unsigned mskval = 0000;
 	int fildes, i;
 	unsigned low9mode;
 
diff --git a/winsup/testsuite/winsup.api/mmaptest01.c b/winsup/testsuite/winsup.api/mmaptest01.c
index 33545587c..99a7d2ef1 100644
--- a/winsup/testsuite/winsup.api/mmaptest01.c
+++ b/winsup/testsuite/winsup.api/mmaptest01.c
@@ -87,7 +87,7 @@ int main ()
 
   char buf3[20];
 
-  int i;
+  unsigned i;
 
   strcpy (fnam1, "mmaptest01.1.XXXXXX");
   strcpy (fnam2, "mmaptest01.2.XXXXXX");