$ gcc -lm -i foobar.c -o foobar

$ g++ -Wall -I$QTDIR/include -L$QTDIR/lib hello.cpp -o hello -lqt

#hello.pro dosyasi
HEADERS    =
SOURCES    = hello.cpp
TARGET     = hello

$ tmake hello.pro -o Makefile

$ make all

function email_kontrol ($variable) {
  return (ereg('^[-!#$%&'*+\./0-9=?A-Z^_`a-z{|}~]+'. '@'.
  '[-!#$%&'*+\/0-9=?A-Z^_`a-z{|}~]+.' . '[-!#$%&'*+\./0-9=?A-Z^_`a-z{|}~]+$',
  $variable));
}

if (email_kontrol($gidecekadres)) {
  mail($gidecekadres, \"Konu\", \"İleti\", \"From: [email protected]\");
} else {
  echo \"Hatalı eposta adresi girdiniz...\";
}

$ gcc -I/usr/lib/qt2/include -L/usr/lib/qt2/lib -lqt main.cpp

$ LC_ALL="en_EN" startkylix

$ gcc dtmf.c -lm -o dtmf

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

#define duration 800
#define pause 400

float col[] = { 1209.0, 1336.0, 1477.0, 1633.0 };
float row[] = { 697.0, 770.0, 852.0, 941.0 };
char positions[] = "123A456B789C*0#D";

/* 8000 örnek/saniye, mono, 8 bit/örnek kabulüyle */
main(int argc, char *argv[]) {
  int i;
  char *ap, *cp;
  float f1, f2, ri, ci;

  if (argc != 2)
    exit(1);
  ap = argv[1];
  while (*ap) {
    cp = strchr(positions, *ap);
    if (cp) {
      ci = col[(cp - positions) % 4];
      ri = row[(cp - positions) / 4];
      for (f1 = 0.0, f2 = 0.0, i=3D0; i < duration;
           i++, f1 += 6.28/8000.0*ri, f2 +=3D 6.28/8000.0*ci) {
        putchar((sin(f1)*63.0) + (sin(f2)*63.0) + 128);
      }
      for (i = 0; i < pause; i++)
        putchar(128);
    }
    ap++;
  }
}