3 ms·
ESC is 0x1B, traditionally the CTRL key reset the two highest bit of the ASCII code, [ is 0x5B, if you reset the two highest bits of 0x5B you get 0x1B which is
by EdiX 10y ago
ESC is 0x1B, traditionally the CTRL key reset the two highest bit of the ASCII code, [ is 0x5B, if you reset the two highest bits of 0x5B you get 0x1B which is why ESC and CTRL-[ are the same thing.
CTRL-C is completely different.