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📛 NAME

c89 — ANSI (1989) C compiler

🚀 Quick Reference

Use Case	Command	Description
Compile a C89 source file	c89 program.c -o program	🔧 Compile program.c with strict ANSI C89 rules
Compile with pedantic warnings	c89 -pedantic program.c	⚠️ Issue all required ANSI C warnings
Compile with pedantic errors	c89 -pedantic-errors program.c	🚫 Treat all ANSI warnings as errors
Define an ANSI preprocessor symbol	c89 -D_ANSI_SOURCE program.c	📌 Define _ANSI_SOURCE for strict ANSI conformance
View full compiler options	c89 --help or man cc	📖 See cc(1) for all available options

📋 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