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string: fill all prototypes in <string.h>

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Lephenixnoir 2021-05-23 15:29:37 +02:00
parent 24c6873429
commit 53751aa9a1
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1 changed files with 96 additions and 18 deletions
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114
include/string.h
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@ -3,29 +3,107 @@
#include <stddef.h>
/* memset() - fill memory with a constant byte. */
extern void *memset(void *s, int c, size_t n);
extern void *memcpy(void *dest, const void *src, size_t n);
/* Copying functions. */
/* strcat() - concatenate two string */
extern char *strcat(char *dest, char const *src);
/* Copy __n characters from __src to __dest (overlap not allowed). */
extern void *memcpy(void *__dest, void const *__src, size_t __n);
/* strcmp() - compare two strings */
extern int strcmp(const char *s1, const char *s2);
extern int strncmp(const char *s1, const char *s2, size_t n);
/* Copy __n characters from __src to __dest (overlap allowed). */
extern void *memmove(void *__dest, void const *__src, size_t __n);
/* strcpy(), strncpy() - copy a string. */
extern char *strncpy(char *dest, char const *str, size_t size);
extern char *strcpy(char *dest, char const *src);
/* Copy string __src into __dest. */
extern char *strcpy(char * restrict __dest, char const * restrict __src);
/* strlen - calculate the lenght of a string. */
extern size_t strnlen(char const *str, size_t maxlen);
extern size_t strlen(char const *str);
/* Copy at most __n characters of __src into __dest. */
extern char *strncpy(char * restrict __dest, char const * restrict __src,
size_t __n);
/* strrchr() - find the last occurent of a byte */
extern char *strrchr(const char *s, int c);
/* Concatenation functions. */
/* strdup() - dump string */
extern char *strdup(const char *s);
/* Copy __src at the end of __dest. */
extern char *strcat(char * restrict __dest, char const * restrict __src);
/* Copy at most __n characters of __src into __dest. */
extern char *strncat(char * restrict __dest, char const * restrict __src,
size_t __n);
/* Comparison functions. */
/* Compare __n characters from __s1 and __s2. */
extern int memcmp(void const *__s1, void const *__s2, size_t __n);
/* Compare __s1 and __s2 as strings. */
extern int strcmp(char const *__s1, char const *__s2);
/* Compare __s1 and __s2 with locale-dependent collation rules. */
extern int strcoll(char const *__s1, char const *__s2);
/* Compare at most __n characters of __s1 and __s2. */
extern int strncmp(char const *__s1, char const *__s2, size_t __n);
/* Transform __src into __dest in a way that morphs strcoll into strcmp. */
extern size_t strxfrm(char * restrict __dest, char const * restrict __src,
size_t __n);
/* Search functions. */
/* Search __c within the first __n characters of __s. */
extern void *memchr(void const *__s, int __c, size_t __n);
/* Find the first occurrence of __c within __s. */
extern char *strchr(char const *__s, int __c);
/* Count initial characters of __s that are not in __exclude. */
extern char *strcspn(char const *__s, char const *__exclude);
/* Find the first character of __s that is also in __include. */
extern char *strpbrk(char const *__s, char const *__include);
/* Find the last occurrence of __c within __s. */
extern char *strrchr(char const *__s, int __c);
/* Count initial characters of __s that are in __include. */
extern char *strspn(char const *__s, char const *__include);
/* Find the first occurrence of __s2 as a substring of __s1. */
extern char *strstr(char const *__s1, char const *__s2);
/* Break __s into tokens delimited by characters from __separators. */
extern char *strtok(char * restrict __s, char const * restrict __separators);
/* Miscellaneous functions. */
/* Fill the __n first bytes of __s with character __c. */
extern void *memset(void *__s, int __c, size_t __n);
/* Returns a string that describes the errno value __errnum. */
extern char *strerror(int __errnum);
/* Length of __s. */
extern size_t strlen(char const *__s);
/*
** Extensions
*/
/* The following functions are not specified by C99, but convenient. */
/* Minimum of __n and the length of __s. */
extern size_t strnlen(char const *__s, size_t __n);
/* Like strchr, but returns the end of __s if __c is not found. */
extern char *strchrnul(char const *__s, int __c);
/* Compare __s1 and __s2 case-insensitively. */
extern int strcasecmp(char const *__s1, char const *__s2);
/* Compare at most __n characters of __s1 and __s2 case-insensitively. */
extern int strncasecmp(char const *__s1, char const *__s2, size_t __n);
/* Duplicate __s with malloc. */
extern char *strdup(char const *__s);
/* Duplicate at most __n characters of __s with malloc. */
extern char *strndup(char const *__s, size_t __n);
#endif /*__STRING_H__*/