Printing command line arguments char by char in C
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

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

    while(*argv++ != 0)
    {
            printf("Argument!n");
            printf("%s %dn",*argv,(int)strlen(*argv));
            int i = 0;

            while(*argv[i])
            {
                    printf("char!n");
                    printf("%cn",*argv[i]);
                    i++;
            }

            printf("End of for loopn");
    }

    return 0;
}

Argument!
test 4
char!
t
Segmentation Fault

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

int main(int argc, char **argv)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < argc; i ++)
    {
    j = 0;
    while(argv[i][j] != '')
       printf("Argument %d letter %d : %cn", i,j,argv[i][j++]);
    }
    return 0;
}

$./a.out hello world
Argument 0 letter 1 : .
Argument 0 letter 2 : /
Argument 0 letter 3 : a
Argument 0 letter 4 : .
Argument 0 letter 5 : o
Argument 0 letter 6 : u
Argument 0 letter 7 : t
Argument 1 letter 1 : h
Argument 1 letter 2 : e
Argument 1 letter 3 : l
Argument 1 letter 4 : l
Argument 1 letter 5 : o
Argument 2 letter 1 : w
Argument 2 letter 2 : o
Argument 2 letter 3 : r
Argument 2 letter 4 : l
Argument 2 letter 5 : d

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

int main(int argc, char **argv)
{
    int i = 0;int j = 0;
    while(i < argc)
    {
    j=0;
    while(*(argv[i]+j) != '')
    {
            printf("Argument %d letter %d : %cn", i,j,*(argv[i]+(j)));
            j++;
    }
     i++;
    }
    return 0;

}

while(argv) {
    printf("%sn", *argv); /* %s instead of %c and drop [i]. */
    argv++; /* Next arg. */
}

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

int main(int argc, char **argv)
{
    char **currentArgv = argv;
    int currentArgc = 0;
    while(++currentArgc < argc)
    {
            printf("Argument!n");
            printf("%s %dn",currentArgv[currentArgc],(int)strlen(currentArgv[currentArgc]));
            int i = 0;

            while(currentArgv[currentArgc][i]!='')
            {
                    printf("char!n");
                    printf("%cn",currentArgv[currentArgc][i]);
                        i++;
            }

            printf("End of for loopn");
    }

    return 0;
}