The POSIX/iX library provides an extensive library of C functions. The functions provide facilities for such operations as input, output, process management, signal management, mathematics, string manipulation, and time and date operations.
This chapter provides information on the following subjects:
how the POSIX/iX library is organized
specifying the _POSIX_SOURCE macro
how to develop applications using the MPE/iX Shell and Utilities
general input/output considerations
ANSI C library functions that have modified behavior
