Question

How to find the length of a string without using the Built-in function in C

Answer 1

#include <stdio.h> 

int main(void)
{   
    char s[30] = "c c++ c# java";
    int i = 0;
    
    for (i = 0; s[i] != '\0'; i++);

    printf("%d", i);
     
    return 0;
}
  
        
/*
run:
     
13

*/

 

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Answer 2

#include <stdio.h> 

int main(void)
{   
    char s[30] = "c c++ c# java";
    int i = 0;
    
    while (s[i]) i++;

    printf("%d", i);
     
    return 0;
}
  
        
/*
run:
     
13

*/

 

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