[M3devel] Posix < 0 vs. # 0 vs. = -1?

[Jay K]

Posix often says:

 function foo() returns 0 for success, -1 for error

 

 m3core/libm3/etc, often say if foo() < 0 or if foo() # 0 "instead".
 Generally ok to tighten these up to "= -1", perhaps upon checking manpages,
  or a known rat's nest of inconsistencies?


 - Jay

 		 	   		  
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