limits - Header files for implementation-specific constants
#include <limits.h> #include <float.h> #include <sys/limits.h>
The header file limits.h specifies the sizes of integral
types as required by the proposed ANSI C standard. The
header file float.h specifies the characteristics of
floating types as required by the proposed ANSI C standard.
The constants that refer to long doubles that
should appear in float.h are not specified because long
doubles are not implemented. The header file sys/limits.h
is a list of magnitude limitations imposed by a specific
implementation of the operating system. All values in the
files are specified in decimal.
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