diff options
Diffstat (limited to 'src/sciteco.h')
| -rw-r--r-- | src/sciteco.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/sciteco.h b/src/sciteco.h index 53131dc..c4395c1 100644 --- a/src/sciteco.h +++ b/src/sciteco.h @@ -49,15 +49,28 @@ namespace Flags { extern sig_atomic_t sigint_occurred; -/* - * for sentinels: NULL might not be defined as a +/** + * For sentinels: NULL might not be defined as a * pointer type (LLVM/CLang) */ #define NIL ((void *)0) +/** true if C is a control character */ #define IS_CTL(C) ((C) < ' ') +/** ASCII character to echo control character C */ #define CTL_ECHO(C) ((C) | 0x40) +/** + * Control character of ASCII C, i.e. + * control character corresponding to CTRL+<C> keypress. + */ #define CTL_KEY(C) ((C) & ~0x40) +/** + * Control character of the escape key. + * Equivalent to CTL_KEY('[') + */ +#define CTL_KEY_ESC 27 +/** String containing the escape character */ +#define CTL_KEY_ESC_STR "\x1B" #define SUCCESS (-1) #define FAILURE (0) |