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Standard C Libraries
ispunct (Continued)
Example:
#include <ctype.h> /* for ispunct */
#include <stdio.h> /* for printf */
int main(void)
{
int ch;
ch = '&';
if (ispunct(ch))
printf("& is a punctuation character\n");
else
printf("& is NOT a punctuation character\n");
ch = '\t';
if (ispunct(ch))
printf("a tab is a punctuation character\n");
else
printf("a tab is NOT a punctuation character\n");
}
Output:
& is a punctuation character
a tab is NOT a punctuation character
isspace
Description:
Include:
Prototype:
Test for a white-space character.
<ctype.h>
int isspace (int c );
Argument:
c
character to test
Return Value:
Remarks:
Example:
? 2008 Microchip Technology Inc.
Returns a non-zero integer value if the character is a white-space char-
acter; otherwise, returns zero.
A character is considered to be a white-space character if it is one of
the following: space (' '), form feed ('\f'), newline ('\n'), carriage return
('\r'), horizontal tab ('\t'), or vertical tab ('\v').
#include <ctype.h> /* for isspace */
#include <stdio.h> /* for printf */
int main(void)
{
int ch;
ch = '&';
if (isspace(ch))
printf("& is a white-space character\n");
else
printf("& is NOT a white-space character\n");
ch = '\t';
if (isspace(ch))
printf("a tab is a white-space character\n");
else
printf("a tab is NOT a white-space character\n");
}
DS51456E-page 19
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相关PDF资料
SW006015
C COMPILER MPLAB C32
SW300003-EVAL
LIBRARY SOFT MODEM-EVAL ONLY
SW300010-EVAL
SPEECH RECOG LIBRARY-EVAL ONLY
SW300040-EVAL
LIBRARY NOISE SUPPR-EVAL ONLY
SW300060-EVAL
LIBRARY ACOUSTIC ECHO-EVAL ONLY
SW300070-EVAL
SOFTWARE LIBR ENC/DEC EVAL ONLY
SW500012
HI-TECH C PRO FOR PIC32
SY87701LHI-EVAL
BOARD EVAL SY87701 EXPERIMENT
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