petsc-3.12.1 2019-10-22
Report Typos and Errors

# PetscDLSym

finds a symbol in a dynamic library

### Synopsis

    PetscErrorCode  PetscDLSym(PetscDLHandle handle,const char symbol[],void **value)

Not Collective

### Input Parameters

| handle | - obtained with PetscDLOpen() or NULL
| symbol | - name of symbol

### Output Parameter

value -pointer to the function, NULL if not found

### Notes

If handle is NULL, the symbol is looked for in the main executable's dynamic symbol table. In order to be dynamically loadable, the symbol has to be exported as such. On many UNIX-like systems this requires platform-specific linker flags.

### Level

developer

### Location

src/sys/dll/dlimpl.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages