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author | Jakob Kaivo <jkk@ung.org> | 2019-10-01 21:04:38 -0400 |
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committer | Jakob Kaivo <jkk@ung.org> | 2019-10-01 21:04:38 -0400 |
commit | 97f5db42e27a6e969006d6b07362b05c2d50ea1f (patch) | |
tree | b0ba622a843ad8c786fde7f419f076bc00c153b5 | |
parent | ab6dc14c2ea35d6c1a0415dbfafe7dd503c989db (diff) |
protect against multiple inclusion
-rw-r--r-- | sh.h | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -1,3 +1,6 @@ +#ifndef SH_H +#define SH_H + /* * UNG's Not GNU * @@ -66,3 +69,5 @@ enum { HUP = 1, INT = 2, QUIT = 3, ABRT = 6, KILL = 9, ALRM = 14, TERM = 15 }; void sh_trap(int trapno); int yyparse(void); + +#endif |