NAME | LIBRARY | SYNOPSIS | DESCRIPTION | STANDARDS | HISTORY | SEE ALSO |
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ptrdiff_t(3type) ptrdiff_t(3type)
ptrdiff_t - count of elements or array index
Standard C library (libc)
#include <stddef.h> typedef /* ... */ ptrdiff_t;
Used for a count of elements, or an array index. It is the result of subtracting two pointers. It is a signed integer type capable of storing values in the range [PTRDIFF_MAX, PTRDIFF_MAX]. The length modifier for ptrdiff_t for the printf(3) and the scanf(3) families of functions is t, resulting commonly in %td or %ti for printing ptrdiff_t values.
C11, POSIX.1-2008.
C89, POSIX.1-2001.
size_t(3type)
Linux man-pages 6.04 2023-03-30 ptrdiff_t(3type)
Pages that refer to this page: size_t(3type)