[Chicken-janitors] #971: move C_path_to_executable out of chicken.h

[Chicken Trac]

#971: move C_path_to_executable out of chicken.h
----------------------------+-----------------------------------------------
 Reporter:  felix           |       Owner:         
     Type:  enhancement     |      Status:  new    
 Priority:  minor           |   Milestone:  someday
Component:  core libraries  |     Version:  4.8.x  
 Keywords:                  |  
----------------------------+-----------------------------------------------
 Move definition of `C_path_to_executable` out of `chicken.h` and into
 `runtime.c`, as this is quite useful for user code. Add internal wrapper
 procedure (e.g. `(##sys#path-to-executable)`).

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Ticket URL: <http://bugs.call-cc.org/ticket/971>
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Chicken Scheme is a compiler for the Scheme programming language.