ref: 0645a868520feb0fac8932b08b6c4e1258b58c0c
dir: /lib/c/strtok.c/
#include <string.h> #undef strtok char * strtok(char * restrict s, const char * restrict delim) { static char *line; if (s) line = s; if (!s && !line) return NULL; s = line + strspn(line, delim); if (*s == '\0') return line = NULL; line = s + strcspn(s, delim); if (*line != '\0') *line++ = '\0'; else line = NULL; return s; }