Question

How to implement the strchr function in C

Answer 1

#include <stdio.h>

char* strchr(const char* s, const char ch) {
	// find first occurrence of ch in s
	for (; *s != ch; s++)
		if (*s == '\0')
			return (NULL);
	return ((char*)s);
}

int main()
{
	char str[64] = "c programming";

	puts(strchr(str, 'm'));

	return 0;
}





/*
run:
         
mming
      
*/

 

70+ SQL courses for beginners and professionals