http://www.360doc.com/content/12/0414/09/1317564_203474440.shtml kbhit in c kbhit in c: kbhit function is used to determine if a key has been pressed or not. To use kbhit function in your program you should include the header file "conio.h". If
Private Declare Function GetAsyncKeyState Lib "user32" (ByVal vkey As Long) As IntegerPrivate Declare Function GetKeyState Lib "user32" (ByVal nVirtKey As Long) As IntegerPublic chongfu As Integer Private Sub Timer1_Timer() Timer1.Inte
头文件 unistd.h ) { // file exists } else { // file doesn't exist } You can also use R_OK, W_OK, and X_OK in place of F_OK to check for read permission, write permission, and execute permission (respectively) rather than existence, and you can OR any of