diff options
| author | aiju <devnull@localhost> | 2018-12-01 11:28:26 +0000 |
|---|---|---|
| committer | aiju <devnull@localhost> | 2018-12-01 11:28:26 +0000 |
| commit | 75f5332c9dce891845e57b188efad28d7530d8ae (patch) | |
| tree | 03d82fe79a9f9d446a8a52094fef85def892a375 /sys/man/1/2c | |
| parent | ad7316e87cd0444908caa74a5dfd4cf6168c5472 (diff) | |
2c(1): document some differences with ANSI C
Diffstat (limited to 'sys/man/1/2c')
| -rw-r--r-- | sys/man/1/2c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/man/1/2c b/sys/man/1/2c index 8e7dde1b6..d6bdeace1 100644 --- a/sys/man/1/2c +++ b/sys/man/1/2c @@ -404,6 +404,21 @@ will turn into in-line bit operations, as is done for shorter .I unsigned expressions). +.PP +Other differences with ANSI C include +.TF \| +.PD +.TP +\- +The compilers use the original "unsigned preserving", rather than ANSI C "value preserving" rules, which means that, e.g., +.B "unsigned char" +gets promoted to +.B "unsigned int" +rather than +.BR "int" . +.TP +\- +Parameters in macros are substituted inside of strings. .SH EXAMPLE For the 68020, produce a program .B prog |