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:
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.
These functions are parts of the stdio(3S) library. They are contained in the standard C library libc.
These functions are part of the FORTRAN library libF77. There are no special compiler flags needed to use these functions.
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