github.com/afumu/libc@v0.0.6/musl/src/string/strtok.c (about)

     1  #include <string.h>
     2  
     3  char *strtok(char *restrict s, const char *restrict sep)
     4  {
     5  	static char *p;
     6  	if (!s && !(s = p)) return NULL;
     7  	s += strspn(s, sep);
     8  	if (!*s) return p = 0;
     9  	p = s + strcspn(s, sep);
    10  	if (*p) *p++ = 0;
    11  	else p = 0;
    12  	return s;
    13  }