怎样才能发送这样一个字符？！ctrl+z？

[halleyw]

打开串口后
我想发送ctrl+z，但不知道怎么表示ctrl＋z？
哪位高手告知，谢谢！

[afc]

查ASCII表

[afc]

Decimal
0 Nul NULL character. ( End of text string marker. )
7 Bel Bell or beep character.
8 Bak Backspace character.
9 Tab TAB character.
10 LF Line Feed (start a new line).
13 CR Carriage Return code.
26 EOF DOS End of text file code.
27 Esc Escape code. It has special effects on older printers and ANSI screens. ANSI = American National Standards Institute.
32 Spa Space Character.
255 Nul NULL character.

CTRL+Z == EOF

[halleyw]

谢谢！：）