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# SIG_ERR

From cppreference.com
< c‎ | program

Defined in header `<signal.h>` |  |
#define SIG_ERR /* implementation defined */ |  |

A value of type `void (*)(int)`. When returned by signal, indicates that an error has occurred.

### [edit] See also

signal | sets a signal handler for particular signal (function) [edit]
C++ documentation for SIG_ERR

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