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#include <stdio.h> #include <string.h> int isVowel(char c) { switch(c) { case 'a': case 'e': case 'i': case 'o': case 'u': case 'A': case 'E': case 'I': case 'O': case 'U': return 1; default: return 0; } } int main() { char input[100], output[100]; int i, j = 0; printf("Enter a string: "); fgets(input, sizeof(input), stdin); input[strcspn(input, "\n")] = '\0'; // remove newline character for(i = 0; input[i] != '\0'; i++) { if(isVowel(input[i])) { output[j++] = input[i]; } } output[j] = '\0'; printf("Result: %s\n", output); return 0; }
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