20 lines
314 B
Plaintext
20 lines
314 B
Plaintext
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int string_length(char *s) {
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return strlen(s);
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}
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char* string_upper(char *s) {
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return upper(s);
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}
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char* string_lower(char *s) {
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return lower(s);
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}
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int string_contains(char *haystack, char *needle) {
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int pos = strpos(haystack, needle);
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if (pos >= 0) {
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return 1;
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}
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return 0;
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}
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