#include #include char* mktemp(char *as) { char *s; unsigned pid; int i; char err[ERRLEN]; pid = getpid(); s = as; while(*s++) ; s--; while(*--s == 'X') { *s = pid % 10 + '0'; pid = pid/10; } s++; i = 'a'; while(access(as, 0) != -1) { if (i == 'z') return "/"; *s = i++; } err[0] = 0; errstr(err); /* clear the error */ return as; }