diff options
Diffstat (limited to 'doc/language')
| -rw-r--r-- | doc/language/keyword/cpsc-keyword-extern.7.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/language/keyword/cpsc-keyword-extern.7.md b/doc/language/keyword/cpsc-keyword-extern.7.md index db1bde4..5797a4f 100644 --- a/doc/language/keyword/cpsc-keyword-extern.7.md +++ b/doc/language/keyword/cpsc-keyword-extern.7.md @@ -19,7 +19,7 @@ Parameters list only types. Parameter and result types must be C types: C_INT, C A final `...` makes the function variadic. Variadic arguments must also be C values; they receive C default argument promotions (float to double, narrow integers and _Bool to int or unsigned int). -Every EXTERN symbol must be defined by an object named with INCLUDE_OBJ, otherwise compilation fails. EXTERN cannot be combined with OVERLOAD, and a name may be declared once across all input files; put shared declarations in one file and INCLUDE it. +Every EXTERN symbol must be defined by an object named with INCLUDE_OBJ, otherwise compilation fails. EXTERN cannot be combined with OVERLOAD or share a name with a FUNCTION or PROCEDURE. As in C, the same function may be declared again in the same or another input file when the signature is identical (equivalent C aliases match); conflicting declarations are errors. Each file sees its own declarations and those of the files it includes. # EXAMPLE |