src/include/string.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef STRING_H
   4 #define STRING_H
   5
   6 #include <stdarg.h>
   7 #include <stddef.h>
   8 #include <stdio.h>
   9
  10 /* Stringify a token */
  11 #ifndef STRINGIFY
  12 #define _STRINGIFY(x)   #x
  13 #define STRINGIFY(x)    _STRINGIFY(x)
  14 #endif
  15
  16 void *memcpy(void *dest, const void *src, size_t n);
  17 void *memmove(void *dest, const void *src, size_t n);
  18 void *memset(void *s, int c, size_t n);
  19 int memcmp(const void *s1, const void *s2, size_t n);
  20 void *memchr(const void *s, int c, size_t n);
  21 char *strdup(const char *s);
  22 char *strconcat(const char *s1, const char *s2);
  23 size_t strnlen(const char *src, size_t max);
  24 size_t strlen(const char *src);
  25 char *strchr(const char *s, int c);
  26 char *strncpy(char *to, const char *from, int count);
  27 char *strcpy(char *dst, const char *src);
  28 int strcmp(const char *s1, const char *s2);
  29 int strncmp(const char *s1, const char *s2, int maxlen);
  30 int strspn(const char *str, const char *spn);
  31 int strcspn(const char *str, const char *spn);
  32 char *strstr(const char *haystack, const char *needle);
  33 char *strtok_r(char *str, const char *delim, char **ptr);
  34 char *strtok(char *str, const char *delim);
  35 long atol(const char *str);
  36
  37 /**
  38  * Find a character in a string.
  39  *
  40  * @param s The string.
  41  * @param c The character.
  42  * @return A pointer to the last occurrence of the character in the
  43  * string, or NULL if the character was not encountered within the string.
  44  */
  45 char *strrchr(const char *s, int c);
  46
  47 /*
  48  * Parses an unsigned integer and moves the input pointer forward to the first
  49  * character that's not a valid digit. s and *s must not be NULL. Result
  50  * undefined if it overruns the return type size.
  51  */
  52 unsigned int skip_atoi(char **s);
  53
  54 #endif /* STRING_H */