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📖 NAME

c89 — ANSI (1989) C compiler

🚀 Quick Reference

Use Case	Command	Description
Compile with ANSI C	c89 -o program program.c	Compile a C source file using strict ANSI C89 mode
Enable all pedantic warnings	c89 -pedantic -o program program.c	Warn about all non-ANSI constructs
Treat warnings as errors	c89 -pedantic-errors -o program program.c	Fail compilation on any non-ANSI violation
Define ANSI source symbol	c89 -D_ANSI_SOURCE -o program program.c	Explicitly define the _ANSI_SOURCE preprocessor macro
View all compiler options	man cc or cc --help	See full option list for the underlying compiler

📝 SYNOPSIS

c89 [-pedantic] [-pedantic-errors] [-D_ANSI_SOURCE] options ...

🔍 DESCRIPTION

Calls the C compiler (cc) with the given options, using a C language environment compatible with the -ansiC specification.

This includes proper handling of trigraphs, disabling non-ANSI compiler features (such as asm, inline, typeof, and the $ character in identifiers), and definition of the preprocessor symbol __STRICT_ANSI__.

📚 SEE ALSO

cc(1) for a description of all options.

📜 HISTORY

Appeared in NetBSD 1.4.

🐛 BUGS

Since c89 is a shell wrapper script to cc, compile errors are prefixed by "cc:".

📖 NAME 🚀 Quick Reference 📝 SYNOPSIS 🔍 DESCRIPTION 📚 SEE ALSO 📜 HISTORY 🐛 BUGS