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C ispunct() function

C ispunct(int ch)

The ispunct() function is used to check whether a character is a punctuation mark or not. The function is defined in the ctype.h header file.

Syntax:

int ispunct(int argument);

ispunct() Parameters:

Name Description Required /Optional
ch ch is a character of class punct in the current locale. Required

Return value from ispunct()

  • The ispunct() function returns non-zero if ch is a punctuation character; otherwise, returns 0.

Example-1: Program to check punctuation

#include <stdio.h>
#include <ctype.h>
int main()
{
    char ch;
    ch = ':';
    printf("\nIf %c is punctuation character or not? %d", ch, ispunct(ch));
    ch = ',';
    printf("\nIf %c is punctuation character or not? %d", ch, ispunct(ch));
    ch = 'A';
    printf("\nIf %c is punctuation character or not? %d", ch, ispunct(ch));
    return 0;
}

Output:

If : is punctuation character or not? 16
If , is punctuation character or not? 16
If A is punctuation character or not? 0

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C Programming: Tips of the Day

What's an object file in C?

An object file is the real output from the compilation phase. It's mostly machine code, but has info that allows a linker to see what symbols are in it as well as symbols it requires in order to work. (For reference, "symbols" are basically names of global objects, functions, etc.)

A linker takes all these object files and combines them to form one executable (assuming that it can, i.e.: that there aren't any duplicate or undefined symbols). A lot of compilers will do this for you (read: they run the linker on their own) if you don't tell them to "just compile" using command-line options. (-c is a common "just compile; don't link" option.)

Ref : https://bit.ly/3CbzF8M