Any source file that wants to call C library math routines should use
#include <math.h>
or else should be compiled with the
StandardLibrary=alias
command line option. Otherwise, the program will obtain the Fortran 66 math routine with the same name, instead of the intended C routine. This will cause a memory fault, unless your program has been written to accommodate the Fortran subprogram interface requirements.
If your program is accessing the Fortran routines, it cannot use the C library "setbuf" or "fclose" routines.
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