Get process name w/o using argv[0] in C function?

[Doug Gwyn]

In article <1990Aug4.051827.16438 at nbc1.ge.com> scott at nbc1.GE.COM (Scott Barman) writes:
>I cannot think of one rational or even irrational reason *not* to use
>global variables.

Really?  I thought this was commonly taught in structured software development
courses.