Is there an equivalent in Tcl of 'string to X' functions found in C stdlib.h?

Question

There are standard functions such as atof and atoi in C\'s stdlib.h for converting strings to floats / integers (and to do the reverse

Answer 1

I should note as well that equivatents to atof and atoi can be viewed as conversion of internal Tcl data structures to external binary representations. This is done by the [binary format] command.