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the last parts of the C standard library

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This commit is contained in:
pommicket 2022-02-16 22:58:16 -05:00
parent b1e837afb4
commit 6e1158f49a
8 changed files with 361 additions and 32 deletions
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14
05/string.h
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@ -163,21 +163,21 @@ char *strstr(const char *s1, const char *s2) {
return NULL;
}
char *_strtok_str;
char *strtok(char *s1, const char *s2) {
if (s1) _strtok_str = s1;
if (!_strtok_str) return NULL;
char *p = _strtok_str + strspn(_strtok_str, s2);
static char *str;
if (s1) str = s1;
if (!str) return NULL;
char *p = str + strspn(str, s2);
if (!*p) {
_strtok_str = NULL;
str = NULL;
return NULL;
}
char *q = strpbrk(p, s2);
if (q) {
*q = 0;
_strtok_str = q + 1;
str = q + 1;
} else {
_strtok_str = NULL;
str = NULL;
}
return p;
}