# clock_t

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< c‎ | chrono

Defined in header `<time.h>` |  |
typedef /* unspecified */ clock_t; |  |

Arithmetic (until C11)Real (since C11) type capable of representing the processor time used by a process. It has implementation-defined range and precision.

### References

- C11 standard (ISO/IEC 9899:2011):

  - 7.27.1/3 Components of time (p: 388)

- C99 standard (ISO/IEC 9899:1999):

  - 7.23.1/3 Components of time (p: 338)

- C89/C90 standard (ISO/IEC 9899:1990):

  - 4.12.1 Components of time

### See also

clock | returns raw processor clock time since the program is started (function)
CLOCKS_PER_SEC | number of processor clock ticks per second (macro constant)
C++ documentation for clock_t

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