General Utilities
These all involve the use of the header , which declares a number of types and macros and several functions of general use. The types and macros are as follows:
size_t
Described at the start of this chapter.
div_t
This is the type of the structure returned by div.
ldiv_t
This is the type of the structure returned by ldiv.
NULL
Again, described at the start of this chapter.
EXIT_FAILURE
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