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Modifications to ex10

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This commit is contained in:
Dan Buch 2024-04-16 21:10:49 -04:00
parent 8f9842ddfb
commit 353b77271d
Signed by: meatballhat
GPG Key ID: A12F782281063434
1 changed files with 41 additions and 35 deletions
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38
lcthw/ex10.c
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@ -2,48 +2,53 @@
int main(int argc, char *argv[])
{
if (argc != 2) {
printf("ERROR: You need one argument.\n");
if (argc < 2) {
printf("ERROR: You need at least one argument.\n");
// this is how you abort a program
return 1;
}
int i = 0;
for (i = 0; argv[1][i] != '\0'; i++) {
char letter = argv[1][i];
int arg = 1;
for (arg = 1; arg < argc; arg++) {
for (i = 0; argv[arg][i] != '\0'; i++) {
printf("(%d) ", arg);
char letter = argv[arg][i];
// lowercase letters
if (letter >= 'A' && letter <= 'Z') {
letter += ('a' - 'A');
}
switch (letter) {
case 'a':
case 'A':
printf("%d: 'A'\n", i);
printf("%d: 'a'\n", i);
break;
case 'e':
case 'E':
printf("%d: 'E'\n", i);
printf("%d: 'e'\n", i);
break;
case 'i':
case 'I':
printf("%d: 'I'\n", i);
printf("%d: 'i'\n", i);
break;
case 'o':
case 'O':
printf("%d: 'O'\n", i);
printf("%d: 'o'\n", i);
break;
case 'u':
case 'U':
printf("%d: 'U'\n", i);
printf("%d: 'u'\n", i);
break;
case 'y':
case 'Y':
// why i > 2? is this a bug?
if (i > 2) {
// it's only sometimes Y
printf("%d: 'Y'\n", i);
printf("%d: 'y'\n", i);
} else {
printf("%d: %c is not a vowel\n", i, letter);
}
break;
@ -51,6 +56,7 @@ int main(int argc, char *argv[])
printf("%d: %c is not a vowel\n", i, letter);
}
}
}
return 0;
}