43 lines
640 B
C
43 lines
640 B
C
#include <stdio.h>
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#include <ctype.h>
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// forward declarations
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int can_print_it(char ch);
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void print_letters(char arg[]);
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void print_arguments(int argc, char *argv[])
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{
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int i = 0;
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for(i = 0; i < argc; i++) {
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print_letters(argv[i]);
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}
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}
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void print_letters(char arg[])
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{
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int i = 0;
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for(i = 0; arg[i] != '\0'; i++) {
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char ch = arg[i];
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if(can_print_it(ch)) {
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printf("'%c' == %d ", ch, ch);
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}
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}
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printf("\n");
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}
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int can_print_it(char ch)
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{
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return isalpha(ch) || isblank(ch);
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}
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int main(int argc, char *argv[])
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{
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print_arguments(argc, argv);
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return 0;
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}
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