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

     1  #include <stdlib.h>
     2  #include <string.h>
     3  
     4  char *strdup(const char *s)
     5  {
     6  	size_t l = strlen(s);
     7  	char *d = malloc(l+1);
     8  	if (!d) return NULL;
     9  	return memcpy(d, s, l+1);
    10  }