#include <ctype.h>
int ispunct( int ch );
如果参数是除字母,数字和空格外可打印字符,函数返回非零值,否则返回零值。
#include <stdio.h> #include <ctype.h> int main() { char c1 = 'A'; char c2 = '#'; printf("ispunct(c1) = %d\n", ispunct(c1)); printf("ispunct(c2) = %d\n", ispunct(c2)); return 0; }
输出结果:
ispunct(c1) = 0 ispunct(c2) = 16