Standard C Libraries
getchar
Description:
Include:
Prototype:
Return Value:
Remarks:
Example:
Get a character from stdin .
<stdio.h>
int getchar(void);
Returns the character read or EOF if a read error occurs or end-of-file
is reached.
Same effect as fgetc with the argument stdin .
#include <stdio.h> /* for getchar, printf */
int main(void)
{
char y;
y = getchar();
printf("%c|", y);
y = getchar();
printf("%c|", y);
y = getchar();
printf("%c|", y);
y = getchar();
printf("%c|", y);
y = getchar();
printf("%c|", y);
}
Input:
Contents of UartIn.txt (used as stdin input for simulator):
Short
Longer string
Output:
S|h|o|r|t|
gets
Description:
Include:
Prototype:
Get a string from stdin .
<stdio.h>
char *gets(char * s );
Argument:
s
pointer to the storage string
Return Value:
Remarks:
? 2008 Microchip Technology Inc.
Returns a pointer to the string s if successful; otherwise, returns a null
pointer
The function reads characters from the stream stdin and stores them
into the string pointed to by s until it reads a newline character (which is
not stored) or sets the end-of-file or error indicators. If any characters
were read, a null character is stored immediately after the last read
character in the next element of the array. If gets sets the error indica-
tor, the array contents are indeterminate.
DS51456E-page 71
相关PDF资料
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