#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* 

	which-vc.c

  This implementation of 'which' takes advantage
  of a built-in Win32 function,  SearchPath,  and
  presumably provides the best possible emulation
  of Microsoft's executable-file finder.

  I, David Lee Lambert,  authorize the distribution
  of this code under the GPL.

  */

const char * CopyRightString = "Copyright 2002 David Lee Lambert";

int main(int argc, char * argv[], char * envp[])
{
    char *execname = NULL;
#define MAX 80
	char path[MAX], *fnp;
	char *ext[4] = {".com",".exe",".bat", NULL};
	int retlen, found = 0, i;
	char * dot;

    /*  parse command-line */
    if (argc == 2)
        execname = argv[1];
    else {
        printf("%s: Wrong # of args (%d) --"
			   "syntax= which <command>\n",
               argv[0], argc);
	puts(CopyRightString);
	putchar('\n');
        return 2;
    }

	dot = strchr(execname, '.');

	if (dot) {
		retlen = SearchPath(NULL,
							execname, NULL,
							MAX, path, &fnp);
		if (retlen > 0) {
			printf("%s\n", path);
			found = 1;
		}
	} else {
		for (i = 0; i < 4; i++) {
			retlen = SearchPath(NULL,
						execname, ext[i],
						MAX,
						path, &fnp);
			if (retlen > 0) {
				printf("%s\n", path);
				found = 1;
			}
		}
	}
	if ( !found ) {
		printf("not found\n");
	    return 1;
	}
	return 0;
}