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/* Set the first two variables above (if they're not predefined) to a copy
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of ARGV0 and everything in ARGV0 after the last directory separator,
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respectively. Set kpse_program_name to a copy of PROGNAME or the
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This function also determines the AUTO* variables. */
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extern KPSEDLL void kpathsea_set_program_name (kpathsea kpse,