32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
#ifndef __KERNEL_UTIL_STRING_H__
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# define __KERNEL_UTIL_STRING_H__
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#include <stddef.h>
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#include <stdint.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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/* strcat() - concatenate two string */
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extern char *strcat(char *dest, char const *src);
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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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/* 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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/* 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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/* strchr - find the first / last occurent of the char c */
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extern char *strchr(const char *s1, int c);
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extern char *strchrnul(const char *s1, int c);
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extern char *strrchr(const char *s1, int c);
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#endif /*__KERNEL_UTIL_STRING_H__*/
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