AcceptLine

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static char *end_line(char *line) {
  static const char *end ="end";
  return strstr(line, end);
}
int main(void) {
  char line[BUFSIZ];
  const char *prompt = "> ";
  printf("%s", prompt);
  while (fgets(line, BUFSIZ, stdin)) {
    if (end_line(line)) break;
    printf("%s", line);
    printf("%s", prompt);
  }
  return 0;
}