C Programming - Command Line Arguments

16.
What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample 1 2 3
cmd> sample 2 2 3
cmd> sample 3 2 3
/* sample.c */
#include<stdio.h>

int main(int argc, char *argv[])
{
    printf("%s\n", argv[0]);
    return 0;
}
sample 3 2 3
sample 1 2 3
sample
Error
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
What will be the output of the program (myprog.c) given below if it is executed from the command line?
cmd> myprog 1 2 3
/* myprog.c */
#include<stdio.h>
#include<stdlib.h>

int main(int argc, char **argv)
{
    int i, j=0;
    for(i=0; i<argc; i++)
        j = j+atoi(argv[i]);
    printf("%d\n", j);
    return 0;
}
123
6
Error
"123"
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample friday tuesday sunday
/* sample.c */
#include<stdio.h>

int main(int sizeofargv, char *argv[])
{
    while(sizeofargv)
        printf("%s", argv[--sizeofargv]);
    return 0;
}
sample friday tuesday sunday
sample friday tuesday
sunday tuesday friday sample
sunday tuesday friday
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample friday tuesday sunday
/* sample.c */
#include<stdio.h>

int main(int argc, char *argv[])
{
    printf("%c", *++argv[2] );
    return 0;
}
s
f
u
r
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
What will be the output of the program (myprog.c) given below if it is executed from the command line?
cmd> myprog 10 20 30
/* myprog.c */
#include<stdio.h>

int main(int argc, char **argv)
{
    int i;
    for(i=0; i<argc; i++)
        printf("%s\n", argv[i]);
    return 0;
}
10 20 30
myprog 10 20
myprog 10 20 30
10 20
Answer: Option
Explanation:
No answer description is available. Let's discuss.