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authorkre <kre@NetBSD.org>2022-01-31 16:54:28 +0000
committerkre <kre@NetBSD.org>2022-01-31 16:54:28 +0000
commita0487e28860b4c1203a76a5417fe7a01b81bf54e (patch)
treef707c073d985fdc0ebef88d29b0b229f449d3381 /sys/dev/microcode/tools/array2bin.c
parent2feacb00703d9913c4c9cd886c7b971b9a4abfeb (diff)
Add some comments explaining accesses to the environment via
getenv()/setenv()/unsetenv() which manipulate the envornoment the shell was passed at entry. These are a little odd in sh as that environment is copied into the shell's internal variable data struct at shell startup, and normally never accessed after that - in builtin commands (test. printf, ...) getenv() is #defined to become an internal sh lookup function instead, so even those never use the startup environment). NFCI
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