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Text File  |  1992-12-19  |  199b  |  10 lines
  1. dnl /usr2/pinard/pub/m4-1.0.3/m4.texinfo:2535: Origin of test
  2. syscmd(`false')
  3. dnl @result{}
  4. ifelse(sysval, 0, zero, non-zero)
  5. dnl @result{}non-zero
  6. syscmd(`true')
  7. dnl @result{}
  8. sysval
  9. dnl @result{}0
  10.