string: fill all prototypes in <string.h>
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24c6873429
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114
include/string.h
114
include/string.h
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@ -3,29 +3,107 @@
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#include <stddef.h>
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/* memset() - fill memory with a constant byte. */
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extern void *memset(void *s, int c, size_t n);
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extern void *memcpy(void *dest, const void *src, size_t n);
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/* Copying functions. */
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/* strcat() - concatenate two string */
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extern char *strcat(char *dest, char const *src);
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/* Copy __n characters from __src to __dest (overlap not allowed). */
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extern void *memcpy(void *__dest, void const *__src, size_t __n);
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/* strcmp() - compare two strings */
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extern int strcmp(const char *s1, const char *s2);
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extern int strncmp(const char *s1, const char *s2, size_t n);
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/* Copy __n characters from __src to __dest (overlap allowed). */
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extern void *memmove(void *__dest, void const *__src, size_t __n);
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/* strcpy(), strncpy() - copy a string. */
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extern char *strncpy(char *dest, char const *str, size_t size);
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extern char *strcpy(char *dest, char const *src);
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/* Copy string __src into __dest. */
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extern char *strcpy(char * restrict __dest, char const * restrict __src);
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/* strlen - calculate the lenght of a string. */
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extern size_t strnlen(char const *str, size_t maxlen);
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extern size_t strlen(char const *str);
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/* Copy at most __n characters of __src into __dest. */
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extern char *strncpy(char * restrict __dest, char const * restrict __src,
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size_t __n);
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/* strrchr() - find the last occurent of a byte */
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extern char *strrchr(const char *s, int c);
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/* Concatenation functions. */
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/* strdup() - dump string */
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extern char *strdup(const char *s);
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/* Copy __src at the end of __dest. */
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extern char *strcat(char * restrict __dest, char const * restrict __src);
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/* Copy at most __n characters of __src into __dest. */
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extern char *strncat(char * restrict __dest, char const * restrict __src,
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size_t __n);
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/* Comparison functions. */
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/* Compare __n characters from __s1 and __s2. */
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extern int memcmp(void const *__s1, void const *__s2, size_t __n);
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/* Compare __s1 and __s2 as strings. */
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extern int strcmp(char const *__s1, char const *__s2);
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/* Compare __s1 and __s2 with locale-dependent collation rules. */
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extern int strcoll(char const *__s1, char const *__s2);
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/* Compare at most __n characters of __s1 and __s2. */
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extern int strncmp(char const *__s1, char const *__s2, size_t __n);
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/* Transform __src into __dest in a way that morphs strcoll into strcmp. */
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extern size_t strxfrm(char * restrict __dest, char const * restrict __src,
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size_t __n);
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/* Search functions. */
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/* Search __c within the first __n characters of __s. */
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extern void *memchr(void const *__s, int __c, size_t __n);
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/* Find the first occurrence of __c within __s. */
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extern char *strchr(char const *__s, int __c);
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/* Count initial characters of __s that are not in __exclude. */
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extern char *strcspn(char const *__s, char const *__exclude);
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/* Find the first character of __s that is also in __include. */
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extern char *strpbrk(char const *__s, char const *__include);
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/* Find the last occurrence of __c within __s. */
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extern char *strrchr(char const *__s, int __c);
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/* Count initial characters of __s that are in __include. */
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extern char *strspn(char const *__s, char const *__include);
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/* Find the first occurrence of __s2 as a substring of __s1. */
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extern char *strstr(char const *__s1, char const *__s2);
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/* Break __s into tokens delimited by characters from __separators. */
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extern char *strtok(char * restrict __s, char const * restrict __separators);
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/* Miscellaneous functions. */
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/* Fill the __n first bytes of __s with character __c. */
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extern void *memset(void *__s, int __c, size_t __n);
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/* Returns a string that describes the errno value __errnum. */
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extern char *strerror(int __errnum);
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/* Length of __s. */
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extern size_t strlen(char const *__s);
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/*
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** Extensions
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*/
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/* The following functions are not specified by C99, but convenient. */
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/* Minimum of __n and the length of __s. */
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extern size_t strnlen(char const *__s, size_t __n);
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/* Like strchr, but returns the end of __s if __c is not found. */
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extern char *strchrnul(char const *__s, int __c);
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/* Compare __s1 and __s2 case-insensitively. */
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extern int strcasecmp(char const *__s1, char const *__s2);
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/* Compare at most __n characters of __s1 and __s2 case-insensitively. */
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extern int strncasecmp(char const *__s1, char const *__s2, size_t __n);
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/* Duplicate __s with malloc. */
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extern char *strdup(char const *__s);
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/* Duplicate at most __n characters of __s with malloc. */
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extern char *strndup(char const *__s, size_t __n);
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#endif /*__STRING_H__*/
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