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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char *get_filled_buffer(void) {
  char temp[32];
  char *ret = NULL;
  char *endsize_t full_length = ret0;
   
  while (fgets(temp, sizeof(temp), stdin)) {
    size_t len = strlen(temp);
    constif size_t(SIZE_MAX - len - 1 < full_sizelength) {
 = end - ret + lenbreak;
    }
    char *r_temp = realloc(ret, full_sizelength + len + 1); /* NTBS */
    if (r_temp == NULL) {
      break;
    }
    ret = r_temp;
    strcatstrcpy(ret + full_length, temp);
 /* concatenate */
 end  = retfull_length += full_sizelen;
   
    if (feof(stdin) || temp[len-1] == '\n') {
      return ret;
    }
  }

  free(ret);
  return NULL;
}