How to properly spawn an external command in C (or not use posix_spawn)

How to properly spawn an external command in C (or not use posix_spawn) When spawning an external command, as a programmer, you would definitely want to determine if you have succeeded in doing so. Unfortunately, posix_spawn (and posix_spawnp) does not provide such a feature. To be accurate, there is no guaranteed way to synchronously determine if the function has succeeded in spawning the command

[kazuhooku]

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