man3type/clock_t.3type

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   7 .TH CLOCK_T 3type 2021-11-02 "Linux man-pages (unreleased)" "Linux Programmer's Manual"
   8 .SH NAME
   9 clock_t \- system time
  10 .SH LIBRARY
  11 Standard C library
  12 .RI ( libc )
  13 .SH SYNOPSIS
  14 .nf
  15 .B #include <time.h>
  16 .PP
  17 .BR typedef " /* ... */ " clock_t;
  18 .fi
  19 .SH DESCRIPTION
  20 Used for system time in clock ticks or
  21 .B CLOCKS_PER_SEC
  22 (defined in
  23 .IR <time.h> ).
  24 According to POSIX,
  25 it is an integer type or a real-floating type.
  26 .SH STANDARDS
  27 C99 and later; POSIX.1-2001 and later.
  28 .SH NOTES
  29 The following headers also provide this type:
  30 .I <sys/types.h>
  31 and
  32 .IR <sys/time.h> .
  33 .SH SEE ALSO
  34 .BR times (2),
  35 .BR clock (3)