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cassert (assert.h)
cctype (ctype.h)
cerrno (errno.h)
cfloat (float.h)
climits (limits.h)
clocale (locale.h)
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csetjmp (setjmp.h)
csignal (signal.h)
cstdarg (stdarg.h)
cstddef (stddef.h)
cstdio (stdio.h)
cstdlib (stdlib.h)
cstring (string.h)
ctime (time.h)
cerrno (errno.h)
errno

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cerrno (errno.h) header

C Errors

C Header that defines the following macro:

errno Last error number (macro)

plus two additional macro constants: EDOM and ERANGE (explained together with errno).

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