#include #include #include "utils.h" int main(int argc, char *argv[]) { char buffer[100]; char output[100]; int r; while((r = read(STDIN_FILENO, buffer, sizeof(buffer))) > 0) { int out_len = 0; for (int i = 0; i < r; i ++) if (buffer[i] != 'a') output[out_len ++] = buffer[i]; exit_if(write(STDOUT_FILENO, output, out_len) == -1, "Can't write"); } return 0; }