Question

How to use the goto statement to get out of loop inside if statement in C

Answer 1

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

extern char **environ;

int main(int argc, char *argv[]) {

    if (environ != NULL) {
        for (size_t i = 0; environ[i]; ++i) {
            puts(environ[i]);
            if (strncmp(environ[i], "Common", 6) == 0) {
                puts("END");
                goto END;
            }
        }
        printf("environ not found\n");
    } END:


    return 0;
}



/*
run:

ALLUSERSPROFILE=C:\abcxyz
APPDATA=C:\abc\xyz\AppData\Roaming
asl.log=Destination=file
CommonProgramFiles=C:\Program Files (x86)\Common Files
END

*/

 

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