一:

#include <stdio.h>
int main(int argc, const char *argv[]) {
    int i;
    for (i = 0; i < argc; ++i) {
        printf("argv[%d] = %s\n", i, argv[i]);
    }
    return 0;
}

 

二:

#include <stdio.h>
int main(int argc, const char *argv[]) {
    int i;
    for (i = 0; i < argc; ++i) {
        printf("argv[%d] = %s\n", i, *(argv + i));
    }
    return 0;
}

 

三:

#include <stdio.h>
int main(int argc, const char *argv[]) {
    int i;
    for (i = 0; i < argc; ++i, argv++) {
        printf("argv[%d] = %s\n", i, *(argv));
    }
    return 0;
}

 

四:

#include <stdio.h>
int main(int argc, const char *argv[]) {
    int i;
    for (i = 0; i < argc; ++i) {
        printf("argv[%d] = %s\n", i, *(argv));
        argv++;
    }
    return 0;
}

 

五:

#include <stdio.h>
int main(int argc, const char *argv[]) {
    const char **p = argv; //用p来代替argv,这里的const不能丢掉
    int i;
    for (i = 0; i < argc; ++i) {
        printf("argv[%d] = %s\n", i, *(p + i));
    }
    return 0;
}

 

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