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#include "strings.h"
#include <stdlib.h>
int strprefix(const char* prefix, const char* str) {
return strncmp(prefix, str, strlen(prefix)) == 0;
}
int streq(const char* a, const char* b) {
return strncmp(a, b, strlen(a)) == 0;
}
char* concat_array(const char** array, size_t size, size_t *output_size) {
if (array == NULL || size == 0) return NULL;
size_t total_size = 0;
for (size_t i = 0; i < size; i++)
total_size += strlen(array[i]);
if (total_size == 0) return NULL;
char* result = malloc(total_size + 1);
size_t current_index = 0;
for (size_t i = 0; i < size; i++) {
size_t curr_len = strlen(array[i]);
strncpy(result + current_index, array[i], curr_len);
current_index += curr_len;
}
if (output_size != NULL) *output_size = total_size;
return result;
}
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