Question

How to declare a constant string in C

Answer 1

#include <stdio.h>
#include <string.h>

int main() {
    const char *myString = "ABC"; // Declares a pointer to a constant character string
 
    printf("%s\n", myString);
    
    // warning: passing argument 1 of 'strcpy' discards 'const' qualifier
    // strcpy(myString, "XYZ");
 
    return 0;
}

 
   
/*
run:
   
ABC
 
*/

 

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Answer 2

#include <stdio.h>
#include <string.h>

int main() {
    const char myString[] = "XYZ"; // Declares a pointer to a constant character string
 
    printf("%s\n", myString);
    
    // warning: passing argument 1 of 'strcpy' discards 'const' qualifier
    // strcpy(myString, "UVW");
 
    return 0;
}

   
/*
run:
   
XYZ
 
*/

 

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