ref: b4fc8112b2c73cdd7dfe21b9b0172b19c5c7ea08
dir: /libnpe/basename.c/
#include <libgen.h>
char*
basename(char *path)
{
char *p;
if(path == nil || path[0] == 0)
return ".";
if(path[0] != 0 && path[0] == '/' && path[1] == 0)
return path;
p = path + strlen(path);
for(p--; p > path+1 && *p == '/'; p--)
*p = 0;
for(p--; p > path && *p != '/'; p--)
;
if(*p == '/')
return p+1;
return p;
}