ptrdiff_t(3) Linux Programmer's Manual ptrdiff_t(3) NAME ptrdiff_t - result of subtracting pointers SYNOPSIS #include <stddef.h> typedef ... ptrdiff_t; DESCRIPTION ptrdiff_t is a signed integral type, and is the type of the result of subtracting a pair of pointers. Conversions In printf(3) and scanf(3), the j length modifier is used to specify a ptrdiff_t argument (C99). Range ptrdiff_t can represent values in (at least) [-65535, 65535] (C99). In <stdint.h>, the minimum value is given as PTRDIFF_MIN and the maxi- mum value as PTRDIFF_MAX (C99). CONFORMING TO ISO/IEC 9899 SEE ALSO size_t(3) 2005-02-03 ptrdiff_t(3)