CreateProcess.c

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

int main(){
	STARTUPINFOW su;
	PROCESS_INFORMATION pi;

	memset(&su, 0x00, sizeof(su));
	memset(&pi, 0x00, sizeof(pi));
	su.cb = sizeof(su);

	int r = CreateProcessW(L"c:\\windows\\system32\\mspaint.exe", NULL, NULL, NULL, FALSE, NORMAL_PRIORITY_CLASS, NULL, NULL, &su, &pi);
	if (r) {
		printf("CreateProcess() worked\n");

		DWORD r = WaitForSingleObject(pi.hProcess, 10000);
		if (r == WAIT_OBJECT_0) {
			printf("process closed\n");
		} 
		else {
			printf("Process is still running\n");
		}
	}
	else {
		DWORD e = GetLastError();
		printf("CreateProcess() failed :(, error: 0x%x \n", e);
	}
}