Are there any open source libraries or standard functions that allow a C program to interact with other command line programs (that for example may request user input).
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Are there any open source libraries or standard functions that allow a C program to interact with other command line programs (that for example may request user input).
expectis a popular library for programmatically interacting with interactive programs (e.g.ssh). There’s a port of it to C calledlibexpectwhich may do what you want.expectemulates a terminal, so it is particularly useful for applications that won’t talk to simple pipes.