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intro ? Introduction to library functions |
This chapter describes all library functions excluding the library functions described in chapter 2, which implement system calls. There are various function groups which can be identified by a letter which is appended to the chapter number: |
(3C) |
These functions, the functions from chapter 2 and from chapter 3S are contained in the C standard library libc, which will be used by cc(1) by default. |
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(3S) |
These functions are parts of the stdio(3S) library. They are contained in the standard C library libc. |
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(3M) |
These functions are contained in the arithmetic library libm. They are used by the f77(1) FORTRAN compiler by default, but not by the cc(1) C compiler, which needs the option ?lm. |
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(3F) |
These functions are part of the FORTRAN library libF77. There are no special compiler flags needed to use these functions. |
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(3X) |
Various special libraries. The manual pages documenting their functions specify the library names. |
Look at the header of the manual page for the author(s) and copyright conditions. Note that these can be different from page to page! |