DB Library Functions

This chapter describes the functions that are available to programs compiled with the `-ldb' option. The functions are introduced in several groups, with examples to illustrate their usage.

• introduction to functions: General notes on functions. This node discusses arguments, return codes, and the organization of this section of the guide. The remainder of the nodes in this section describe functions for:
• selecting: Selecting database records (opening files).
• signal and annotation I/O: Reading and writing signals and annotations.
• non-sequential: Non-sequential access to DB files.
• conversion: Time and other conversion functions.
• calibration: Calibrating signals.
• miscellaneous functions: Attribute-reading and other functions.

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