/* popen and pclose are not part of win 95 and nt,   but it appears that _popen and _pclose "work".   if this won't load, use the return NULL statements. */ #include <stdio.h>FILE *popen(char *s, char *m) {	return _popen(s, m);	/* return NULL; */} int pclose(FILE *f) {	return _pclose(f);	/* return NULL; */} #include <windows.h>#include <winbase.h>#include <winsock.h> /* system doesn't work properly in some 32/64 (WoW64) combinations */int system(char *s) {	int status, n;	PROCESS_INFORMATION pinfo;	STARTUPINFO si;	char *cmd;	char app[256];	static char cmdexe[] = "\\cmd.exe"; 	memset(&si, 0, sizeof(si));	si.cb = sizeof(si);//	si.dwFlags = STARTF_USESHOWWINDOW;//	si.wShowWindow = SW_SHOW; 	n = GetSystemDirectory(app, sizeof(app)-sizeof(cmdexe));	if(n > sizeof(app))		return -1;	strcat_s(app, sizeof(app), cmdexe);	n = strlen(s)+20;	cmd = malloc(n);	if(cmd == NULL)		return -1;	strcpy_s(cmd, n, "cmd.exe /c");	strcat_s(cmd, n, s);	if(!CreateProcess(app, cmd, NULL, NULL, TRUE, CREATE_DEFAULT_ERROR_MODE, NULL/* env*/, NULL /*wdir*/, &si, &pinfo)){		fprintf(stderr, "can't create process %s %d\n", s, GetLastError());		free(cmd);		return -1;	}	free(cmd);	if(WaitForSingleObject(pinfo.hProcess, INFINITE) == WAIT_FAILED)		return -1;	if(!GetExitCodeProcess(pinfo.hProcess, &status))		status = 1;	//fprintf(stderr, "status %d\n", status);	return status;}