ICP DAS USA I-7188XA, User Manual

Page: 103 / 166

I-7188XA Series User’s Manual ( Ver1.2, Feb/2014, 7MH-019-10 ) ---
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Example: Please refer to “Kbhit()” for an example.

Ungetch()
Function: Put a single character to the input buffer.
Syntax:
int Ungetch(int data);
Header: #include ”7188xa.h”
Description: If there is no data in the input buffer when Ungetch() is
called, next time the Getch() function is called, it will
return the data.
Data: 0 to 255. If the data is > 255, only the low byte will
be sent.
Return: On success, returns NoError. On error (i.e. the buffer is
full) returns 1.
Example: Please refer to “Kbhit()” for an example of Getch().

Putch()
Function: Displays a single character on the screen.
Syntax:
void Putch(int data);
Header: #include ”7188xa.h”
Description: Data: 0 to 255. If the data is > 255, only the low byte will
be sent.
Example: Please refer to “Kbhit()” for an example.

Puts()
Function: Displays a string on the screen.
Syntax:
void Puts(char *str);
Header: #include ”7188xa.h”
Description: Puts will call Putch() to send the string.
str: The pointer to the string to be sent.
Example: Please refer to “Kbhit()” for an example.

Scanf()
Function: Scans a character from the input and is similar to the
scanf() function. (This function cannot be used with MSC
/VC++)
Syntax: int Scanf(char *fmt, ...);
Header: #include ”7188xa.h”
Description: Returns the number of input fields successfully scanned,