General Utility Routines, D3Uxxx

D3UGTU - Get File Unit

This function allocates an unused FORTRAN file unit for use by the application program.

D3UCLU - Clear File Unit

This function cancels an allocated FORTRAN file unit no longer required by the application program.

D3ULEN - Length of Character String

This function returns the significant length of a character string. That is, the length after stripping off all trailing blanks.

D3UCTI - Character to Integer

This function converts the digits in a given string to an integer value. It will also extract the first valid integer from a string containing other characters.

D3UCTR - Character to Real Number

This function converts the digits in a given string to a real number. It will also extract the first valid real number from a string containing other characters. The number may be in decimal or exponential format.

D3UDTM - Return System Date and Time

This routine returns the current system date and time in two formats.