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39 lines
950 B
39 lines
950 B
#include <stdio.h>
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void print_names_ages(int count, char *names[], int ages[], const char *fmt)
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{
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int i;
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for(i = 0; i < count; i++) {
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printf(fmt, names[i], ages[i]);
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}
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printf("---\n");
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}
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int main(int argc, char *argv[])
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{
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// create two arrays we care about
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int ages[] = {23, 43, 12, 89, 2};
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char *names[] = {
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"Alan", "Frank",
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"Mary", "John", "Lisa"
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};
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// safely get the size of ages
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int count = sizeof(ages) / sizeof(int);
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print_names_ages(count, names, ages, "%s has %d years alive.\n");
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print_names_ages(count, names, ages, "%s is %d years old.\n");
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print_names_ages(count, names, ages, "%s is %d years old again.\n");
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print_names_ages(count, names, ages, "%s lived %d years so far.\n");
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int i;
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char **arg = argv;
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for(i = 0; i < argc; i++) {
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printf("argument %d is '%s' (address = %p)\n", i, *arg, arg);
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arg++;
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}
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return 0;
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}
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