The C standard library for AS3 combine ANSI C (C89) / ISO C (C90) and POSIX.1.



Constants
 ConstantDescription
 ASSERT_H AVM-only assert.h - verify program assertion assert.h is a header file in the standard library of the C programming language that defines the C preprocessor macro assert().
 CTYPE_H AVM-only ctype.h - character types C character classification is an operation provided by a group of functions in the ANSI C Standard Library for the C programming language.
 ERRNO_H AVM-only errno.h - system error numbers errno.h is a header file in the standard library of C programming language.
 FLOAT_H not supported
 ISO_C AVM-only C standard library.
 LIMITS_H AVM-only limits.h - implementation-defined constants limits.h is a header file in the standard library of C programming language.
 LOCALE_H AVM-only locale.h - localization category macros locale.h is a header file in the standard library of C programming language.
 MATH_H AVM-only math.h - mathematical declarations
 POSIX AVM-only C POSIX Library.
 SETJMP_H not supported
 SIGNAL_H not supported
 STDARG_H not supported
 STDDEF_H not supported
 STDIO_H AVM-only stdio.h - standard buffered input/output stdio.h is a header file in the standard library of C programming language.
 STDLIB_H AVM-only stdlib.h - standard library definitions stdlib.h is a header file in the standard library of C programming language.
 STRING_H AVM-only string.h - string operations string.h is a header file in the standard library of C programming language.
 SYS_STAT_H AVM-only sys/stat.h - data returned by the stat() function sys/stat.h is a header file in the Portable Operating System Interface library.
 TIME_H AVM-only time.h - time types time.h is a header file in the standard library of C programming language.
 UNISTD_H AVM-only unistd.h - standard symbolic constants and types stdlib.h is a header file in the Portable Operating System Interface library.