ARM Compiler toolchain v4.1 for µVision Using the Compiler

Compiler Coding Practices
5.78 Extended integer types and functions in and in C99
In C90, the long data type can serve both as the largest integral type, and as a 32-bit container.
C99 removes this ambiguity through the new standard library header files and
.
The header file introduces the new types:
• intmax_t and uintmax_t, that are maximum width signed and unsigned integer types
• intptr_t and unintptr_t, that are integer types capable of holding signed and unsigned
object pointers.
The header file provides library functions for manipulating values of type
intmax_t, including:
intmax_t imaxabs(intmax_t x); // absolute value of x
imaxdiv_t imaxdiv(intmax_t x, intmax_t y) // returns the quotient and remainder
// of x / y
These header files are also available in C90 and C++.
5.78.1 See also
Concepts
• New library features of C99 on page 5-79.
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